The absolute magnitudes of RR Lyrae stars. I - X ARIETIS

Details The absolute magnitudes of RR Lyrae stars. I - X ARIETIS The absolute magnitudes of RR Lyrae stars. I - X ARIETIS

Jan 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989mnras.236..447f&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 236, Jan. 15, 1989, p. 447-473.

Astronomy and Astrophysics

Astronomy

41

Blue Stars, Cepheid Variables, Giant Stars, Stellar Magnitude, Stellar Spectrophotometry, Error Analysis, Flux Density, Infrared Photometry, Radial Velocity, Red Shift, Ultraviolet Radiation

Scientific paper

A Baade-Wesselink analysis based on the infrared flux method of Blackwell and Shallis (1977) is used to estimate the temperature and angular diameter of X Ari at all phases of the pulsational cycle. These results are then used to determine the radius, distance, and absolute magnitude. New UV, optical and IR observations for this metal-poor star are also presented. The present results are compared with those of Manduca et al. (1981).

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